add print action cable

app/models/shift_sale.rb

@@ -132,7 +132,7 @@ class ShiftSale < ApplicationRecord
       self.commercial_taxes = self.commercial_taxes.to_f - tax.to_f
       self.total_rounding = self.total_rounding - saleobj.rounding_adjustment
       self.total_void = self.total_void + saleobj.grand_total
-      
+
       if saleobj.customer.customer_type == "Dinein"
         self.dining_count = self.dining_count - 1
       else
@@ -211,6 +211,11 @@ class ShiftSale < ApplicationRecord
           .first()
   end
 
+  def self.get_other_charges(shift)
+      query = SaleItem.joins("JOIN sales as s ON s.sale_id = sale_items.sale_id")
+          .where('shift_sale_id =? and s.sale_status = "completed" and sale_items.product_code = "Other Charges" and sale_items.item_instance_code is null',shift.id)
+  end
+
   def self.search(filter,from,to)
     if filter.blank?
         keyword = ''